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Mathematics, 16.04.2020 04:47 myvenus88

Me pueden ayudar por favor?. Un electricista cobra $3 por hora de trabajo y un plomero $1,2 por hora ¿cuantas horas deberá trabajar el plomero para ganar lo mismo que gana el electricista en 10 horas de trabajo?

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Me pueden ayudar por favor?. Un electricista cobra $3 por hora de trabajo y un plomero $1,2 por hora...
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